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-rw-r--r--src/newgrf_canal.cpp12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/newgrf_canal.cpp b/src/newgrf_canal.cpp
index 4a1278848..eab55e7f9 100644
--- a/src/newgrf_canal.cpp
+++ b/src/newgrf_canal.cpp
@@ -43,14 +43,14 @@ static uint32 CanalGetVariable(const ResolverObject *object, byte variable, byte
TileIndex tile = object->u.canal.tile;
switch (variable) {
- case 0x80:
- return GetTileZ(tile) / TILE_HEIGHT;
+ /* Height of tile */
+ case 0x80: return GetTileZ(tile) / TILE_HEIGHT;
- case 0x81:
- return GetTerrainType(tile);
+ /* Terrain type */
+ case 0x81: return GetTerrainType(tile);
- case 0x83:
- return GetWaterTileRandomBits(tile);
+ /* Random data for river or canal tiles, otherwise zero */
+ case 0x83: return GetWaterTileRandomBits(tile);
}
DEBUG(grf, 1, "Unhandled canal property 0x%02X", variable);